{
   "Type" : "AWS::RDS::DBInstance",
   "Properties" : {
      "AllocatedStorage" : "100",
      "DBInstanceClass" : "db.m1.small",
      "Engine" : "MySQL",
      "EngineVersion" : "5.5",
      "Iops" : "1000",
      "MasterUsername" : { "Ref" : "DBUser" },
      "MasterUserPassword" : { "Ref" : "DBPassword" }
   }
}